2025 GMC Sierra 2500HD - Specs & Features

More about the 2025 Sierra 2500HD

Starting MSRP

$70,300

Overview

Gas Engine

Drive Type	four wheel drive
Total Seating	5
Bed length	98.3 in.
Payload Capacity	3,433 lbs.
Towing Capacity	18,500 lbs.
Curb Weight	7,579 lbs.
Basic Warranty	3 yr./ 36,000 mi.
Country of final assembly	United States

Fuel & MPG

Fuel type	Regular unleaded
Range in miles (city/hwy)	0/0 mi.
Fuel tank capacity	36.0 gal.

2025 GMC Sierra 2500HD for sale near you

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See all 130 listings

Engine

Base engine size	6.6 L
Cylinders	V8
Base engine type	Gas

Horsepower	401 hp @ 5,200 rpm
Torque	464 lb-ft @ 4,000 rpm
Valves	16
Cam type	Overhead valves (OHV)
Valve timing	Variable
Direct injection	Standard

Towing & Hauling

Max Towing Capacity	18,500 lbs.
Max Payload Capacity	3,433 lbs.

Drivetrain

Transmission	10-speed shiftable automatic
Drive type	Four wheel drive
On demand 4WD	Standard

Electronic hi-lo gear selection	Standard
Automatic locking hubs	Standard
Rear locking differential	Standard
Descent control	Standard

Incentives

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Suspension

Front independent suspension	Standard
Stabilizer bar stabilizer bar	Standard

Dimensions

Length	266.8 in.
Overall width without mirrors	81.9 in.
Height	79.7 in.

Wheelbase	172.0 in.
Bed length	98.3 in.
Turning circle	57.0 ft.
Ground clearance	10.1 in.
Curb weight	7,579 lbs.
Maximum towing capacity	18,500 lbs.
Maximum payload	3,433 lbs.
Gross weight	11,050 lbs.
Country of final assembly	United States

Colors

Exterior Colors	Titanium Rush Metallic Thunderstorm Gray Volcanic Red Tintcoat Summit White Sterling Metallic Onyx Black
Interior Colors	Jet Black w/Kalahari Accents, leather

Front Seat Dimensions

Front head room	43.0 in.
Front leg room	44.5 in.
Front shoulder room	66.0 in.

Front hip room	61.2 in.
Leather	Standard
Bucket front seats	Standard
8-way power driver seat	Standard
Height adjustable driver seat	Standard
Driver seat with power adjustable lumbar support	Standard
2 memorized driver seat settings	Standard
8-way power passenger seat	Standard
Height adjustable passenger seat	Standard
Passenger seat with power adjustable lumbar support	Standard
Multi-level heated driver seat	Standard
Multi-level heated passenger seat	Standard
Ventilated driver seat	Standard
Ventilated passenger seat	Standard

Rear Seat Dimensions

Rear head room	40.1 in.
Rear leg room	43.4 in.
Rear shoulder room	65.3 in.

Rear hip room	60.2 in.
Split-folding rear seatback	Standard
Folding center armrest	Standard
Multi-level heated	Standard

Safety

Blind spot and lane departure warnings accident avoidance system	Standard
Rear cross traffic alert	Standard
Pre-collision safety system	Standard

Post-collision safety system	Standard
Dual front side-mounted airbags	Standard
Front and rear head airbags	Standard
Passenger airbag occupant sensing deactivation	Standard
Stability control	Standard
Traction control	Standard
Child seat anchors	Standard
Rear door child safety locks	Standard
4-wheel ABS	Standard
Front and rear ventilated disc brakes	Standard
Tire pressure monitoring	Standard
Dusk sensing headlamps	Standard
Auto delay off headlamps	Standard
LED headlamp	Standard
Daytime running lights	Standard
Front fog/driving lights	Standard
Turn signal mirrors	Standard
2 front headrests	Standard
Front height adjustable headrests	Standard
2 rear headrests	Standard
Rear height adjustable headrests	Standard
Rear center 3-point belt	Standard
Remote anti-theft alarm system	Standard
Engine immobilizer	Standard

Build Your 2025 Sierra 2500HD

At a Glance:

2 Trims
$46,300starting MSRP

Build & Price GMC.com

*The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.

In-Car Entertainment

13.4" infotainment display size	Standard
AM/FM stereo	Standard
Bose premium brand speakers	Standard

7 total speakers	Standard
1 subwoofer(s)	Standard
Wireless Android Auto/Apple CarPlay	Standard
USB connection	Standard
Auxiliary audio input and USB with external media control	Standard
Satellite radio satellite radio	Standard
Speed sensitive volume control	Standard

Power Feature

4 one-touch power windows	Standard
Hands-free entry	Standard
Heated mirrors	Standard

Comfort & Convenience

Keyless ignition	Standard
Tilt-adjustable steering wheel	Standard
Audio and cruise controls on steering wheel	Standard

Power steering	Standard
Front, side, and rear view camera	Standard
Front and rear parking sensors	Standard
Wireless charging	Standard
Cruise control	Standard
Front and rear cupholders	Standard
Front and rear door pockets	Standard
Front seatback storage	Standard
Leatherette steering wheel	Standard
Heated steering wheel	Standard
Dual zone front climate control	Standard
Rear ventilation ducts	Standard
Sun sensor	Standard
Dual illuminating vanity mirrors	Standard
Electrochromatic inside rearview mirror	Standard
Turn signal in mirrors	Standard

Instrumentation

Trip computer	Standard
Compass	Standard
External temperature display	Standard

Tachometer	Standard
Clock	Standard

Tires & Wheels

Painted alloy wheels	Standard
20 in. wheels	Standard
All terrain tires	Standard

LT275/65R20 tires	Standard
Fullsize non-matching spare tire	Standard
Underbody mounted spare tire	Standard

Telematics

Emergency Service	Standard
Airbag Deployment Notification	Standard
Stolen Vehicle Tracking/Assistance	Standard

Hands-Free Calling	Standard
Roadside Assistance	Standard
Concierge Service	Standard
Destination guidance (also Turn-by-Turn Navigation)	Standard
Destination Download	Standard

Warranty

Basic	3 yr./ 36,000 mi.
Drivetrain	5 yr./ 60,000 mi.
Rust	6 yr./ 100,000 mi.

Roadside assistance	5 yr./ 60,000 mi.
Free maintenance	1 yr./ unlimited mi.

Mechanical Options

Trailering Wiring Provisions	+$35
Trailer Tire Pressure Monitor Sensors	+$50
220 Amp Alternator	+$150

Gooseneck Hitch Package	+$325
Heavy Duty Front Spring/Camper Package	+$45
Gooseneck/5th Wheel Prep Package	+$545
High Idle Switch	+$200
Duramax 6.6L Turbo-Diesel V8 Engine	+$9,490
Engine Block Heater	+$100
Max Trailering Package	+$645
Auxiliary Battery	+$135
Dual Alternators	+$380

Packages

Cargo Convenience Package	+$595
Technology Package	+$1,275
AT4 Premium Plus Package	+$4,070

Snow Plow Prep/Camper Package	+$530
AT4 Preferred Package	+$905

Interior Options

Rear Under Seat Storage	+$195
AT4 All-Weather Floor Liners	+$295
Sport Pedal Cover Kit	+$195

Console-Mounted Safe	+$345

Exterior Options

Body Color Wheel Arch Moldings	+$980
Black Sport Step	+$925
Cargo Tie-Down Rings	+$145

Hard-folding Tonneau Cover by REV	+$1,595
22" Black Painted Wheels	Standard
Off-Road High Clearance Steps	+$1,390
Auxiliary Trailer Camera	+$995
Tri-Fold Soft Tonneau Cover	+$750
LT275/65R20 E 126/123 BF Goodrich Off-Road T/A KO3 Tires	+$295
GMC MultiPro Tailgate Step Lights	+$195
Smoked Amber LED Roof Marker Lamps	+$55
Front License Plate Kit	+$0
20" Machined Aluminum Bolt Pattern Wheels w/High Gloss Black Accents	+$3,350
MultiPro Audio System by Kicker	+$875
20" High Gloss Black Aluminum Wheels w/Machined Finish	+$2,995
22" Gloss Black Aluminum Wheels	Standard
20" High Gloss Black Painted Wheels	+$2,950
22" High Gloss Black Aluminum Wheels w/Machined Accents	Standard
18" Machined Aluminum Wheels w/Dark Grey Metallic Accents	-$1,100
Black Front and Rear Molded Splash Guards	+$298
Power Glass Sunroof	+$995
Red Illuminated Front GMC Emblem	+$425
Black Power Retractable Assist Steps	+$2,295